The shell or energy level is represented by the principal quantum number (n). (aka the Principal quantum number
2) What is the maximum number of electrons allowed in the second shell (n=2)?
Eight. ( 2n2) is the equation for the maximum number of elections in a shell.
3) What does the azimuthal (2nd) quantum number (l) represent?
The subshell.
4) What are the first four subshells ( l = 0, 1, 2, 3)
The first four subshells are: s , p, d, f.
5) what is the formula for the maximum number of electrons allowed in a subshell?
Maximum # of electrons in a subshell = ( 4l + 2).
6) What does the magnetic (3rd) quantum number (ml) represent?
An orbital within a subshell. The possible values range from -l to l.
7) How many fourth quantum numbers (ms) are possible for an electron? What are they?
The two possible values for ms are +1/2 and -1/2.
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